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22123110000 = 243543492113
BaseRepresentation
bin10100100110101000…
…111101111001110000
32010002210112102122110
4110212220331321300
5330302004010000
614055131005320
71412142221655
oct244650757160
963083472573
1022123110000
119422a11a92
124354b99840
1321174c7644
1410dc269c2c
1589734a850
hex526a3de70

22123110000 has 200 divisors, whose sum is σ = 71654875600. Its totient is φ = 5879808000.

The previous prime is 22123109951. The next prime is 22123110013. The reversal of 22123110000 is 1132122.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10468944 + ... + 10471056.

It is an arithmetic number, because the mean of its divisors is an integer number (358274378).

Almost surely, 222123110000 is an apocalyptic number.

22123110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22123110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35827437800).

22123110000 is an abundant number, since it is smaller than the sum of its proper divisors (49531765600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22123110000 is a wasteful number, since it uses less digits than its factorization.

22123110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493 (or 2472 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 22123110000 its reverse (1132122), we get a palindrome (22124242122).

The spelling of 22123110000 in words is "twenty-two billion, one hundred twenty-three million, one hundred ten thousand".